About this course: This course covers the analysis and design of magnetic components, including inductors and transformers, used in power electronic converters. The course starts with an introduction to physical principles behind inductors and transformers, including the concepts of inductance, core material saturation, airgap and energy storage in inductors, reluctance and magnetic circuit modeling, transformer equivalent circuits, magnetizing and leakage inductance. Multi-winding transformer models are also developed, including inductance matrix representation, for series and parallel structures. Modeling of losses in magnetic components covers core and winding losses, including skin and proximity effects. Finally, a complete procedure is developed for design optimization of inductors in switched-mode power converters. After completing this course, you will: ● Understand the fundamentals of magnetic components, including inductors and transformers ● Be able to analyze and model losses in magnetic components, and understand design trade-offs ● Know how to design and optimize inductors for switched-mode power converters This course assumes ONLY prior completion of Introduction to Power Electronics and Converter Circuits.
Created by: University of Colorado Boulder
Taught by: Dr. Khurram Afridi, Assistant Professor
Electrical, Computer and Energy Engineering
| Basic Info | Course 5 of 6 in the Power Electronics Specialization |
| Level | Intermediate |
| Commitment | 4 weeks of study, 2-4 hours/week |
| Language | English |
| How To Pass | Pass all graded assignments to complete the course. |
| User Ratings |
Syllabus
WEEK 1
Introduction to Magnetics and Inductors
This module introduces the physical principles behind magnetic devices, including magnetic material properties. It develops the concepts of inductance, reluctance and magnetic circuit modeling, and uses these to analyze different inductor structures.
3 videos
- Video: Inductance
- Video: Reluctance and Magnetic Circuits
Graded: Inductors
WEEK 2
Transformers
This module discusses two-winding and multi-winding transformers, and develops inductance matrix and equivalent circuit models for them. It also discusses the physical origin of various non-idealities, including magnetizing and leakage inductances.
4 videos
- Video: Transformer with Non-Idealities
- Video: Alternate Transformer Models
- Video: Multi-Winding Transformers
Graded: Transformers
WEEK 3
Losses in Magnetic Components
This module covers the various loss mechanisms in inductors and transformers, both in the core and in the winding. Topics covered include hysteresis and eddy current losses, and skin and proximity effects. Models are developed to estimate losses in magnetic components.
4 videos
- Video: Core Losses
- Video: Winding Losses
- Video: Proximity Effect
Graded: Losses in Magnetic Components
WEEK 4
Design of Magnetic Components
This module describes techniques to design effective magnetic devices. It discusses the benefits of interleaved windings, and develops a procedure to design filter inductors for power electronic converters.
3 videos
- Video: Magnetic Device Design
- Video: Filter Inductor Design
Graded: Design of Magnetic Components
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University of Colorado Boulder
CU-Boulder is a dynamic community of scholars and learners on one of the most spectacular college campuses in the country. As one of 34 U.S. public institutions in the prestigious Association of American Universities (AAU), we have a proud tradition of academic excellence, with five Nobel laureates and more than 50 members of prestigious academic academies.
Pricing
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| Access to course materials | Available |
| Access to graded materials | Available |
| Receive a final grade | Available |
| Earn a shareable Course Certificate | Available |
Ratings and Reviews
As we all know, the magnetic in the circiut is very different ti understand. This course introduce some point in the practical ,especially the filter inductor design ,I learnt
Excellent course! Great Professor!
nice and very helpful for eee branch.
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Fundamentals explained very clearly and content is clearly organized . The questions from Quiz again basically test your understanding of fundamentals. This course provides the necessary platform for the efficient magnetics design for Power electronic converters .